Materials

To manufacture our parts and gaskets, we use all the most widely available elastomers as well as a vast range of special polymers. In-house production with a cylinder mixer enables us to produce compounds to specific requirements, and our warehouse constantly stocked with the entire range of compounds enables us to respond promptly to customer needs. We have materials approved and certified according to the most important international regulations governing products intended for direct and indirect contact with food and drinking water, for specific industrial and railway use.

Table comparing chemical resistances

Food contact standards:

European directive 1935/2004/EC
M.D. 104 of 21/03/1973 and subsequent amendments
FDA CFR 21 177.2600
3A Sanitary Standards 18-03
Bfr Empfehlung XV Silicone
Bfr Empfehlung XXI Natural and synthetic rubber
Arrêtè du 09/11/1994
Arrêtè du 25/11/1992
Chinese Regulation GB 9865-2016
Chinese Regulation GB 4806.11-2016

Standards for drinking water:

ACS France
DVGW standard W-270
WRAS BS 6920-1:2000 and or 2014
KTW D1 and D2
Umweltbundesamt (UBA)
DIN EN 681-1
ONORM B 5014-1:2016

Railway standards:

EX UNI ISO 4189
EX UNI 5756/66

High mechanical characteristics, good resistance to oils and aliphatic hydrocarbons, exceptional abrasion resistance, low resistance to temperature (-30/+90C°), hot water and steam, possibility of reaching high hardness, can be formulated for food.

Excellent resistance to hot oil, aliphatic hydrocarbons, excellent mechanical characteristics and temperature resistance (-40/+160C°), good elasticity at low temperatures, excellent abrasion resistance, good resistance to ozone and UV rays, can be formulated for food.

Excellent temperature resistance, excellent mechanical characteristics and elasticity at low temperatures, resistance to various chemicals, excellent electrical insulation and flame resistance, odourless, suitable for contact with food and pharmaceutical and medical use, particularly colourfast.

Good resistance to ozone and UV rays, good resistance to hot oil and aliphatic hydrocarbons, good resistance to high temperatures and poor resistance to low temperatures (-20/+160C°), high water absorption, poor resistance to hot water and steam.

Used in extreme conditions, exceptional resistance to oil and an array of aggressive chemicals, high temperatures (-40/+200°C), up to 300°C in specific cases, good mechanical characteristics, good resistance to ozone and UV rays, can be formulated for food.

Excellent resistance to oil and many aggressive fluids, good resistance to ozone and UV rays, excellent flexibility at low temperatures, high temperature resistance (-40/+150°C) and excellent gas impermeability.

Excellent resistance to ozone and UV rays, good mechanical characteristics, good resistance to oil and grease, excellent dielectric properties, moderate resistance to high temperatures, hardness increases if constantly exposed to temperature, excellent resistance to low temperatures (-55/+120°C), not colourfast.

Excellent resistance to ozone and UV rays, good mechanical characteristics, high resistance to temperatures (-50/+150 C°), to many chemicals and solvents, not suitable for contact with mineral oil and hydrocarbons, colourfast, can be formulated for food.

Specifically used for resistance to grease, oil and aliphatic hydrocarbons, good mechanical characteristics and air and gas impermeability, good temperature resistance (-50/+130 C°), colourfast, can be formulated for food.

Moderate mechanical characteristics, used in generic non-heavy duty applications in place of or in combination with NR rubber, the main use is for tyres, modest resistance to high temperatures and excellent resistance to low temperatures (-50/+100°C).

The main characteristic of NR rubber is its high elasticity and elongation, teamed with a high friction coefficient and abrasion resistance. It is also known as natural rubber as it is the only one directly made from the rubber plant itself. It has poor resistance to high temperatures and excellent resistance to low temperatures (-55/+90 °C).